Solution:
Caring for lawn per square foot = $85,000 / 175,000 sq. feet
= $0.48 per sq. feet
Caring for garden beds (low maintenance) = $37,600 / 28,000
= $1.34 per sq. feet
Caring for garden beds (high maintenance) = $62,700 / 22,000
= $2.85 per sq feet
Travel to jobs = $4,000/ 19,000 = $0.21 per miles
Customer billing and service = $8,300/28= $296 per customer